AGIZEW, K. T.; HURISA, S. S. Research Based Mathematics Problem Solving and Proving skills Competences. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 42, n. 4, p. 189–202, 2018. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9368. Acesso em: 5 may. 2024.